Jul 31, 2026
How CKE Made Qwen3.6 Prefill 2.6x Faster
How CKE used exact head parallelism and packed quantized kernels to accelerate Qwen3.6-27B Q4_K_M prefill 2.6x on one 5th Gen Xeon node, while remaining about 1.85x behind llama.cpp.
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ENGINEERING NOTES FROM ANTHONY SHIVAKUMAR
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